We're dividing 39230485 by 290 
Our goal is to divide 39230485 by 290.

Going ahead to step 1:
When dividing 3 by 290, we get 0 with a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Grab the next digit (9) from the dividend, add it to 3, then carry on: 39 / 290

Moving on to step 2:
The number 290 fits into 39 0 times, leaving a remainder of 39.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 39 after subtracting 0 from 39.
Fetch the next digit (2) from the dividend, attach it to 39 and continue: 392 / 290

On to step 3:
290 goes into 392 1 times with a remainder of 102.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Deduct 290 from 392 and we're left with 102.
Bring next digit (3) of the dividend behind the 102 and repeat the process: 1023 / 290

Moving on to step 4:
290 can be fit into 1023 3 times, resulting in a remainder of 153.
Use 3 as the next digit of our solution. 
Result so far: 13.0
The remainder is 153 after subtracting 870 from 1023.
Include the next digit (0) from the dividend after 153, then repeat: 1530 / 290

Advancing to step 5:
290 can be fit into 1530 5 times, resulting in a remainder of 80.
The number 5 becomes the next digit in our result. 
Result so far: 135.0
If we subtract 1450 from 1530, we get 80.
Append the next digit (4) from the dividend to 80 and continue with: 804 / 290

Moving on to step 6:
290 goes into 804 2 times with a remainder of 224.
The number 2 becomes the next digit in our result. 
Result so far: 1352.0
Subtracting 580 from 804 leaves us with 224.
Grab the next digit (8) from the dividend, add it to 224, then carry on: 2248 / 290

On to step 7:
When dividing 2248 by 290, we get 7 with a remainder of 218.
Use 7 as the next digit of our solution. 
Result so far: 13527.0
Subtract 2030 from 2248 to get 218.
Bring next digit (5) of the dividend behind the 218 and repeat the process: 2185 / 290

Going ahead to step 8:
2185 divided by 290 is 7 with a remainder of 155.
Use 7 as the next digit of our solution. 
Result so far: 135277.0
If we take 2030 away from 2185, we end up with 155.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1550, and continue the process.

Moving on to step 9:
The number 290 fits into 1550 5 times, leaving a remainder of 100.
Use 5 as the next digit of our solution. 
Result so far: 135277.5
If we take 1450 away from 1550, we end up with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Let's proceed to step 10:
290 goes into 1000 3 times with a remainder of 130.
Record the quotient 3 as the next digit in the result. 
Result so far: 135277.53
The remainder is 130 after subtracting 870 from 1000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Let's proceed to step 11:
The number 290 fits into 1300 4 times, leaving a remainder of 140.
The number 4 becomes the next digit in our result. 
Result so far: 135277.534
Subtracting 1160 from 1300 leaves us with 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Going ahead to step 12:
When dividing 1400 by 290, we get 4 with a remainder of 240.
Use 4 as the next digit of our solution. 
Result so far: 135277.5344
Deduct 1160 from 1400 and we're left with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

The final outcome is 135277.5344, with a leftover of 0.0024.